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491272041 = 31312596719
BaseRepresentation
bin11101010010000…
…011011101101001
31021020102012112210
4131102003131221
52001231201131
6120425355333
715113513001
oct3522033551
91236365483
10491272041
11232345a57
12118638b49
137aa1a520
1449363001
152d1e2146
hex1d483769

491272041 has 8 divisors (see below), whose sum is σ = 705416320. Its totient is φ = 302321232.

The previous prime is 491272031. The next prime is 491272049. The reversal of 491272041 is 140272194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 491272041 - 210 = 491271017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491272049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6298321 + ... + 6298398.

It is an arithmetic number, because the mean of its divisors is an integer number (88177040).

Almost surely, 2491272041 is an apocalyptic number.

It is an amenable number.

491272041 is a deficient number, since it is larger than the sum of its proper divisors (214144279).

491272041 is a wasteful number, since it uses less digits than its factorization.

491272041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12596735.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 491272041 is about 22164.6574753593. The cubic root of 491272041 is about 789.0551332431.

The spelling of 491272041 in words is "four hundred ninety-one million, two hundred seventy-two thousand, forty-one".

Divisors: 1 3 13 39 12596719 37790157 163757347 491272041